A vessel capable of engaging in drilling operations for the exploration for, or exploitation of, resources beneath the sea-bed, such as liquid or gaseous hydrocarbons, sulfur or salt.

An enterprise in which there is a risk of loss.

A depth measuring device.

An aqueous solution containing one gram equivalent of the active reagent in 1L of the solution.

A machine employing two or more stages.

A large body of air having similar horizontal temperature and moisture characteristics.

The molecule, ion, or group bound to the central atom in a chelate or a coordination compound.

An imprecise term used to denote a treatment given cold-worked material to reduce its strength to a controlled level or to effect stress relief. To be meaningful, the type of material, the degree of cold work, and the time-temperature schedule must be sta ...

A wind shift that forces a boat to sail below its mean wind course.

An instrument that, once established, cannot be modified or cancelled without the agreement of all parties concerned.

Sailing with the tiller over to leeward by force of the wind

Statement of Facts

Crude oils.

A wood or gas burning heating appliance that fits into the opening or protrudes on to the hearth of a conventional fireplace.

International data interchange standards sponsored by the United Nations. See UN/EDIFACT.

Holes cut in a plate to make it lighter and yet not reduce its strength.

The Inland Revenue limit on how much money can be paid into a free-standing additional voluntary.

In the US, this is a certificate of deposit with a denomination of $100,000 and above. They are.

Float On / Float Off

In sailing, to be lifted by a wind shift that allows your boat to be lifted closer to the wind where by it allows you to sail a shorter distance to the next mark, buoy or finish line